Alternate Valves for 01-05 VVT Engines and Shimming of Springs
#26543 from marc cefalo · Not recommended · Minutes (2019-04 Fastrack)
Thank you for your letter. The Spec Miata Advisory Committee does not recommend this
modification at this time.
BoP Lab / Rules / Letter #26543
#26543 Alternate Valves for 01-05 VVT Engines and Shimming of Springs
From marc cefalo · SM · Not recommended